content/browser/service_worker/service_worker_registration.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/service_worker/service_worker_registration.h"
   6
   7 #include "content/public/browser/browser_thread.h"
   8
   9 namespace content {
  10
  11 ServiceWorkerRegistration::ServiceWorkerRegistration(const GURL& pattern,
  12                                                      const GURL& script_url,
  13                                                      int64 registration_id)
  14     : pattern_(pattern),
  15       script_url_(script_url),
  16       registration_id_(registration_id),
  17       next_version_id_(0L),
  18       is_shutdown_(false) {
  19   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  20 }
  21
  22 ServiceWorkerRegistration::~ServiceWorkerRegistration() {
  23   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  24   DCHECK(is_shutdown_);
  25 }
  26
  27 void ServiceWorkerRegistration::Shutdown() {
  28   DCHECK(!is_shutdown_);
  29   if (active_version_)
  30     active_version_->Shutdown();
  31   active_version_ = NULL;
  32   if (pending_version_)
  33     pending_version_->Shutdown();
  34   pending_version_ = NULL;
  35   is_shutdown_ = true;
  36 }
  37
  38 void ServiceWorkerRegistration::ActivatePendingVersion() {
  39   active_version_->Shutdown();
  40   active_version_ = pending_version_;
  41   pending_version_ = NULL;
  42 }
  43
  44 }  // namespace content